Unlike its chronometric cousin, the annual calendar—which displays the day, date and month for an entire year, calculating which months have 30 or 31 days—the perpetual calendar is built to go ...

One of watchmaking’s most revered complications, the perpetual calendar typically displays the day, date, month, and year in the leap-year cycle, often paired with a moon-phase display.

The perpetual calendar displays the date, day of week, month, moonphase and year in four digits – and runs without needing a correction until the year 2499.

The Tonda PF Xiali Calendar watch is not perpetual (a type of watch that automatically accounts for leap years and usually only needs adjustment once every 122 years), but that doesn’t mean its ...

Some horology enthusiasts would argue that ultra-complicated timepieces are frivolous – particularly the perpetual calendar function seen in these watches by Bulgari, A. Lange & Söhne and IWC ...

They even take leap years into account – it's a seriously impressive feat. That's why Breitling's new Navitimer B19 Chronograph Perpetual Calendar is such an impressive thing.

Having spent all week on the sunny shores of Lake Geneva for Watches and Wonders 2025, I've got a pretty good insight into the industry at large. This year offered further proof that the luxury ...

I remember when I saw my first perpetual birthday Calendar at a colleagues house years ago. It hung in their kitchen, was filled with names and every month looked lovingly worn with time. I didn ...

Because perpetual calendars complications are peak geek level: your watch will tell you the day, the month and the year, taking account the leap years, the 28 days of February and whether the ...

When the updated Perpetual Calendar Manufacture was introduced at Watches and Wonders 2025, featuring a downsized 40mm stainless steel case and brand new automatic movement, the sub-$10,000 price tag ...

New Breitling Navitimer employs a Perpetual Calendar complication. It's the first model in the permanent collection to use the B19 movement.